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Finding the Third Proportional to 436,824 and 654,588

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Solution

The third proportional to 436,824 and 654,588 is: 980,910.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,824 : 654,588 = 654,588 : x
  2. Step 2: Convert to fraction form
    436,824/654,588 = 654,588/x
  3. Step 3: Cross multiply
    436,824x = 654,588 × 654,588
  4. Step 4: Simplify right side
    436,824x = 428,485,449,744
  5. Step 5: Solve for x
    x = 428,485,449,744/436,824
  6. Step 6: Final answer
    x = 980,910.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.